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Dephasing in hyper-Rayleigh scattering from organic materials
Hubbard S.F. Petschek R.G. Singer K.D.
1997 2014-12-04
The spectral content of hyper-Rayleigh scattering (HRS) was studied with solutions of disperse red-1 (DR1) in acetone at a specific fundamental wavelength. Dephasing can occur when the effective lifetime of the virtual state approaches a two-photon resonance. Experiments were developed that will measure all six observables in HRS by observing the scattering at 45°, continuously varying the phase of the fundamental by rotating a quarter-waveplate, and using another quarter-waveplate with a linear polarizer to analyze the harmonic. These experiments proved the validity of Kleinmann symmetry in near-resonant and far off-resonant regimes. In any electronic posting permitted by this Section 8.1.9, the following copyright notice must be displayed on the initial screen displaying IEEE-copyrighted material: "©1997 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works."
Acetone Fluorescence Laser pulses Light absorption Light emission Neodymium lasers Photons Dephasing Hyper-Rayleigh scattering (HRS) Two photon resonance Light scattering Second Harmonic Generation
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IEEE, Piscataway, NJ, United States
Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series 12, 167
http://hdl.handle.net/2186/ksl:petschekrolfeArt-058
1 p.